Surface-treating appliance



FIG. 1 is a front elevational view of a surface-treating appliance;

FIG. 2 is a left side elevational view of the surface-treating appliance shown in FIG. 1;

FIG. 3 is a rear elevational view of the surface-treating appliance shown in FIG. 1;

FIG. 4 is a left side perspective view of the surface-treating appliance shown in FIG. 1; and,

FIG. 5 is a right side perspective view of the surface-treating appliance shown in FIG. 1.

The broken lines shown in the drawings illustrate portions of the surface-treating appliance that form no part of the claimed design. 

CLAIM The ornamental design for a surface-treating appliance, as shown and described. 